CN105761961B - A kind of electromagnetic repulsion mechanism - Google Patents
A kind of electromagnetic repulsion mechanism Download PDFInfo
- Publication number
- CN105761961B CN105761961B CN201610207552.9A CN201610207552A CN105761961B CN 105761961 B CN105761961 B CN 105761961B CN 201610207552 A CN201610207552 A CN 201610207552A CN 105761961 B CN105761961 B CN 105761961B
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- CN
- China
- Prior art keywords
- repulsion
- liner plate
- dish
- exciting coil
- magnet exciting
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
Abstract
The invention discloses a kind of electromagnetic repulsion mechanisms,Main body is generated by repulsion and electric discharge external circuit forms,The repulsion generates the repulsion dish that main body includes drive link and is sequentially arranged on drive link,Lower liner plate and upper liner plate,It is provided with magnet exciting coil on the lower liner plate,The repulsion dish are the round platform of intermediate trepanning,The surface of the round platform offers several cutting slots,There is the muscle width radially extended between two adjacent cutting slots,The magnet exciting coil is connect by drawing copper bar with electric discharge external circuit,The electric discharge external circuit is by pulsed capacitance C,It is formed in parallel with sustained diode after thyristor T series connection,The present invention passes through cake formula magnet exciting coil,The repulsion dish of muscle width structure,The transmission parts and electric discharge external circuit of locking device,While keeping repulsion dish mechanical strength with capacity,The quality of repulsion dish can significantly be reduced,The actuating work(of reduction system,Be conducive to the optimization of electromagnetic repulsion mechanism volume and cost.
Description
Technical field
The invention belongs to pulse power and power semiconductor application fields, are related to breaker operation mechanism field, specifically relate to
And a kind of electromagnetic repulsion mechanism.
Background technology
As the raising of the DC power-supply systems voltage class such as the popularization of direct current transmission and distribution and subway, mine, electric power hold
The demand of the expansion of amount, mesohigh dc circuit breaker or current limiter is growing day by day.Currently, it is that hybrid direct current is disconnected that research is more
Road device or current limiter, solid-state direct-current breaker or current limiter, liquid metal current limiter and superconductive current limiter.Wherein, hybrid
Dc circuit breaker combine conventional mechanical switch low conduction loss and solid circuit breaker quick thick-less vane the advantages of, system
It causes relatively low, has a extensive future.
The operating mechanism of quick precise movement is one of the key technology of hybrid dc circuit breaker.Currently, disconnected in transmission
Widely applied pneumatic operating mechanism, hydraulic actuating mechanism, spring operating mechanism etc. are in the rapidity of action and dynamic on the device of road
The dispersibility aspect of work cannot be met the requirements.Novel permanent-magnet manipulating mechanism movement speed is very fast, and action dispersibility is smaller, but
Be its act initial stage speed it is smaller, the requirement of hybrid dc circuit breaker can not be met well.
Electromagnetic repulsion mechanism in repulsion dish by magnet exciting coil pulsed discharge, generating electromagnetic repulsion force completion actuating work(
Can, have many advantages, such as that quick action, just-off speed are fast, action dispersibility is small, accurately control, mixing can be met well
The demand of formula dc circuit breaker, therefore, the research about hybrid dc circuit breaker at present have been all made of electromagnetic repulsion mechanism.
Repulsion dish in electromagnetic repulsion mechanism assume responsibility for generating the effect of inductive loop and electromagnetic repulsion force, previous design
In, repulsion dish use disc format, and the electromagnetic repulsion force that repulsion dish are subject to when larger since actuating loads is also big, to ensure repulsion dish
Mechanical strength, necessarily increase the thickness of repulsion dish, which results in the increase of heavy moving parts, be unfavorable for improving actuating
Rapidity and the volume for reducing operating mechanism.
Invention content
It is an object of the invention to deficiencies according to prior art, provide a kind of electromagnetic repulsion force with muscle width structure repulsion dish
Mechanism can substantially reduce moving-mass under the premise of ensuring repulsion dish mechanical strength.
The technical solution adopted by the present invention to solve the technical problems is：A kind of electromagnetic repulsion mechanism generates master by repulsion
Body and electric discharge external circuit composition, it includes drive link and the repulsion that is sequentially arranged on drive link that the repulsion, which generates main body,
Disk, lower liner plate and upper liner plate are provided with magnet exciting coil on the lower liner plate, and the repulsion dish are the round platform of intermediate trepanning,
The surface of the round platform offers several cutting slots, has the muscle width radially extended between adjacent two cutting slots, described
Magnet exciting coil connect with electric discharge external circuit by drawing copper bar, the electric discharge external circuit is by pulsed capacitance C, thyristor T string
It is formed in parallel with sustained diode after connection.
A kind of electromagnetic repulsion mechanism, drive link pass through screw thread after passing through repulsion dish, lower liner plate and upper liner plate
It is connected with repulsion dish locking device.
A kind of electromagnetic repulsion mechanism, annular groove is offered on lower liner plate, and the magnet exciting coil is set to annular
In slot, epoxy resin is filled between the magnet exciting coil and annular groove.
A kind of electromagnetic repulsion mechanism, epoxy resin are thin epoxy sheet.
A kind of electromagnetic repulsion mechanism, lower liner plate and upper liner plate are fastenedly connected by sunk screw.
A kind of electromagnetic repulsion mechanism, lower liner plate, upper liner plate and sunk screw are become by vacuum pressure impregnation
One entirety.
A kind of electromagnetic repulsion mechanism, repulsion dish are equal with magnet exciting coil outer diameter.
A kind of electromagnetic repulsion mechanism coordinates between repulsion dish and drive link for transition.
A kind of electromagnetic repulsion mechanism, repulsion dish lower surface are evenly distributed with six identical muscle width.
The beneficial effects of the invention are as follows：Pass through cake formula magnet exciting coil, the repulsion dish of muscle width structure, the biography of locking device
Dynamic component and electric discharge external circuit can significantly reduce while keeping repulsion dish mechanical strength with capacity
The quality of repulsion dish reduces the actuating work(of system, is conducive to the optimization of electromagnetic repulsion mechanism volume and cost.
Description of the drawings
Fig. 1 is the structural representation of repulsion dish of the present invention；
Fig. 2 is the organigram of a specific embodiment of the invention.
Each reference numeral is：1-repulsion generation main body, 2-electric discharge external circuit, 1.1-upper liner plates, 1.2-lower liner plates,
1.3-magnet exciting coils, 1.4-repulsion dish, 1.5-drive links, 1.6-repulsion dish locking devices, C-pulsed capacitance, T-crystalline substance lock
Pipe, D-fly-wheel diode.
Specific implementation mode
Invention is further described in detail below in conjunction with the accompanying drawings.
Shown in reference picture 1, Fig. 2, the invention discloses a kind of electromagnetic repulsion mechanisms, generate main body 1 by repulsion and electric discharge is outer
Circuit 2 connects into, and the repulsion generates main body 1 and includes drive link 1.5 and the repulsion dish being sequentially arranged on drive link 1.5
1.4, lower liner plate 1.2 and upper liner plate 1.1 are provided with cake formula magnet exciting coil 1.3, the repulsion on the lower liner plate 1.2
Disk 1.4 is the round platform of intermediate trepanning, and the surface of the round platform offers several cutting slots, has between adjacent two cutting slots
The muscle width radially extended, such repulsion dish 1.4 just form the circular platform type structure of muscle web by cutting down some materials, almost
In the case of the bending strength for not influencing repulsion dish inductive loop and repulsion dish, substantially mitigate the weight of repulsion dish, it is described
Magnet exciting coil 1.3 is connect by drawing copper bar with electric discharge external circuit 2, and the electric discharge external circuit 2 is by pulsed capacitance C, thyristor T
It is formed in parallel with sustained diode after series connection.
Working principle of the present invention is as follows：
Pulsed capacitance C is in energy pre-storage state, thyristor T triggering and conductings, and pulsed capacitance C discharges to magnet exciting coil 1.3, arteries and veins
It rushes after capacitance C voltage is reduced to zero, the electric current in magnet exciting coil 1.3 passes through sustained diode afterflow, in the process, excitation wire
The changing magnetic field that electric current generates in circle 1.3 makes to induce vortex in repulsion dish 1.4, the electric current in magnet exciting coil 1.3 and repulsion
Inductive loop effect in disk 1.4, generates electromagnetic repulsion force, repulsion dish 1.4 is pushed to move downward.
As a kind of specific embodiment, repulsion dish 1.4 of the present invention are circular platform type shown in FIG. 1,1.4 following table of repulsion dish in figure
Face is evenly distributed with six identical muscle width, in fact, according to practical application, muscle width number is the amount doesn't matter.
As another specific embodiment of the present invention, coordinate for transition between repulsion dish 1.4 and drive link 1.5, transmission
Bar 1.5 has been connected through a screw thread repulsion dish locking device 1.6 after passing through repulsion dish 1.4, lower liner plate 1.2 and upper liner plate 1.1, revolves
Tight repulsion dish locking device 1.6 is inserted into above between liner plate 1.1 and drive link 1.5 and between lower liner plate 1.2 and drive link 1.5,
Repulsion dish 1.4, drive link 1.5, lower liner plate 1.2 and upper liner plate 1.1 can be tightened together by screwing repulsion dish locking device 1.6,
Ensure to effectively prevent repulsion dish to loosen without relative motion between repulsion dish 1.4 and drive link 1.5, reduces energy loss.
As another specific embodiment of the present invention, the repulsion dish 1.4 are equal with 1.3 outer diameter of magnet exciting coil, will
Magnet exciting coil 1.3 is put into the circular groove in lower liner plate 1.2, unfilled part is filled with thin epoxy sheet, by upper liner plate 1.1
Be fixed together with sunk screw with above-mentioned component, then carry out vacuum pressure impregnation, make magnet exciting coil 1.3 and upper liner plate 1.1,
Lower liner plate 1.2 is completely fixed, and prevents magnet exciting coil 1.3 from mobile or vibration occurring among upper liner plate 1.1, lower liner plate 1.2, together
When, the resistance to voltage levels of whole insulation can be effectively improved.
The present invention proposes more preferably structure to the critical component repulsion dish of electromagnetic repulsion mechanism, is not influencing repulsion dish knot
On the basis of structure intensity, by changing the structure type of existing repulsion dish, the weight of repulsion dish is significantly reduced, movement is reduced
Quality advantageously reduces the volume and weight of repulsive force mechanism, in the case where other conditions are constant, can effectively improve repulsion dish
Movement velocity greatly improves the structural strength of magnet exciting coil, improves the transient state through-current capability of magnet exciting coil, overcomes existing electromagnetism
The deficiency of repulsive force mechanism optimizes the structure of electromagnetic repulsion mechanism, improves the stock utilization of electromagnetic repulsion mechanism, reduces
The volume and weight of electromagnetic repulsion mechanism.
The above-described embodiments merely illustrate the principles and effects of the present invention, and the embodiment that part uses, for
For those skilled in the art, without departing from the concept of the premise of the invention, can also make it is several deformation and
It improves, these are all within the scope of protection of the present invention.
Claims (7)
1. a kind of electromagnetic repulsion mechanism, it is characterised in that：Main body is generated by repulsion（1）With electric discharge external circuit（2）Composition, it is described
Repulsion generates main body（1）Including drive link（1.5）And it is sequentially arranged at drive link（1.5）On repulsion dish（1.4）, lower liner plate
（1.2）With upper liner plate（1.1）, the lower liner plate（ 1.2 ）On be provided with magnet exciting coil（1.3）, the repulsion dish
（1.4）Surface for the round platform of intermediate trepanning, the round platform offers several cutting slots, has between adjacent two cutting slots
The muscle width radially extended, the magnet exciting coil（1.3）By drawing copper bar and electric discharge external circuit（2）Connection, described puts
Electric external circuit（2）By being formed in parallel with sustained diode after pulsed capacitance C, thyristor T series connection；The drive link（1.5）
Across repulsion dish（1.4）, lower liner plate（1.2）With upper liner plate（1.1）It has been connected through a screw thread repulsion dish locking device later
（1.6）；The repulsion dish（1.4）With magnet exciting coil（1.3）Outer diameter is equal.
2. a kind of electromagnetic repulsion mechanism according to claim 1, which is characterized in that the lower liner plate（1.2）On open up
There are annular groove, the magnet exciting coil（1.3）In annular groove, the magnet exciting coil（1.3）It is filled between annular groove
There is epoxy resin.
3. a kind of electromagnetic repulsion mechanism according to claim 2, which is characterized in that the epoxy resin is thin epoxy
Piece.
4. a kind of electromagnetic repulsion mechanism according to claim 1, which is characterized in that the lower liner plate（1.2）With upper lining
Plate（1.1）It is fastenedly connected by sunk screw.
5. a kind of electromagnetic repulsion mechanism according to claim 4, which is characterized in that the lower liner plate（1.2）, upper liner plate
（1.1）One entirety is become by vacuum pressure impregnation with sunk screw.
6. a kind of electromagnetic repulsion mechanism according to claim 1, which is characterized in that the repulsion dish（1.4）With transmission
Bar（1.5）Between for transition coordinate.
7. a kind of electromagnetic repulsion mechanism according to claim 1, which is characterized in that the repulsion dish（1.4）Lower surface
It is evenly distributed with six identical muscle width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610207552.9A CN105761961B (en) | 2016-04-06 | 2016-04-06 | A kind of electromagnetic repulsion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610207552.9A CN105761961B (en) | 2016-04-06 | 2016-04-06 | A kind of electromagnetic repulsion mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105761961A CN105761961A (en) | 2016-07-13 |
| CN105761961B true CN105761961B (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610207552.9A Active CN105761961B (en) | 2016-04-06 | 2016-04-06 | A kind of electromagnetic repulsion mechanism |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783428A (en) * | 2016-10-13 | 2017-05-31 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of combined repulsion dish for electromagnetic repulsion mechanism |
| CN106876189A (en) * | 2017-04-24 | 2017-06-20 | 南京南瑞继保电气有限公司 | A kind of energy storage of electromagnetic repulsion force operating mechanism and trigger circuit and control method |
| CN107993860A (en) * | 2017-12-13 | 2018-05-04 | 上海电气集团股份有限公司 | A kind of high-speed circuit breaker electromagnetic repulsion mechanism coil |
| CN113745063B (en) * | 2021-07-26 | 2022-12-13 | 平高集团有限公司 | Electromagnetic repulsion mechanism with redundancy design and switch device |
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| CN101315836A (en) * | 2008-06-17 | 2008-12-03 | 西安交通大学 | Electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism |
| CN204257546U (en) * | 2014-10-28 | 2015-04-08 | 大全集团有限公司 | A kind of gas buffer for electromagnetic repulsion force mechanism |
| CN105161325A (en) * | 2015-08-18 | 2015-12-16 | 平高集团有限公司 | Dynamic repulsion disk and repulsion mechanism using same |
| CN105449981A (en) * | 2016-01-05 | 2016-03-30 | 辽宁明德磁动力技术有限公司 | Magnetic transmission device having coupling, separation and reunion and speed regulation functions and mounting method thereof |
| CN105470041A (en) * | 2015-12-16 | 2016-04-06 | 国网浙江省电力公司电力科学研究院 | Quick high-voltage switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1125817A (en) * | 1997-07-04 | 1999-01-29 | Mitsubishi Electric Corp | Electromagnetic repulsion mechanism for switch |
| CN201478216U (en) * | 2009-08-25 | 2010-05-19 | 北京四方华能电气设备有限公司 | Quick control mechanism of permanent-magnetic circuit breaker |
| CN104124110B (en) * | 2014-07-17 | 2016-05-25 | 华中科技大学 | A kind of asymmetric repulsive force mechanism |
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2016
- 2016-04-06 CN CN201610207552.9A patent/CN105761961B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315836A (en) * | 2008-06-17 | 2008-12-03 | 西安交通大学 | Electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism |
| CN204257546U (en) * | 2014-10-28 | 2015-04-08 | 大全集团有限公司 | A kind of gas buffer for electromagnetic repulsion force mechanism |
| CN105161325A (en) * | 2015-08-18 | 2015-12-16 | 平高集团有限公司 | Dynamic repulsion disk and repulsion mechanism using same |
| CN105470041A (en) * | 2015-12-16 | 2016-04-06 | 国网浙江省电力公司电力科学研究院 | Quick high-voltage switch |
| CN105449981A (en) * | 2016-01-05 | 2016-03-30 | 辽宁明德磁动力技术有限公司 | Magnetic transmission device having coupling, separation and reunion and speed regulation functions and mounting method thereof |
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| CN105761961A (en) | 2016-07-13 |
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